Harken 57mm Ratchamatic® Block Red Sheeve
The Harken 57mm Ratchamatic® Block Red Sheeve is a load-sensing ratchet block that rolls freely in both directions under low loads and automatically engages the ratchet as loads increase.
Shifting between ratchet and light-air modes is seamless
- Sheave Ø (mm)57 mm
- Length (mm)103 mm
- Weight (g)104 g
- Shackle pin Ø (mm)5 mm
- Maximum line Ø (mm)10 mm
- Maximum working load (kg)227 kg
- Breaking load (kg)907 kg
- Holding power10:1
For soft attach version see – 57mm T2 Ratchamatic
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